Board Thread:Pokémon Help/@comment-32711418-20170901125511/@comment-27535813-20170901131854

I think a small research could have done it for you:

https://bulbapedia.bulbagarden.net/wiki/Outrage_(move)

Answer: No. Since there is no move tutor in PBB yet, and Salamence only learns it through Move Tutor in ORAS.